CVE-2017-7783

Description

If a long user name is used in a username/password combination in a site URL (such as " http://UserName:[email protected]"), the resulting modal prompt will hang in a non-responsive state or crash, causing a denial of service. This vulnerability affects Firefox < 55.

References

http://www.securityfocus.com/bid/100401

http://www.securitytracker.com/id/1039124

https://bugzilla.mozilla.org/show_bug.cgi?id=1360842

https://www.exploit-db.com/exploits/43020/

https://www.mozilla.org/security/advisories/mfsa2017-18/

Details

Risk Information

CVSS v2

CVSS v3